5311247451 has 4 divisors (see below), whose sum is σ = 7081663272. Its totient is φ = 3540831632.

The previous prime is 5311247449. The next prime is 5311247467. The reversal of 5311247451 is 1547421135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5311247451 - 2¹ = 5311247449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5311247471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885207906 + ... + 885207911.

It is an arithmetic number, because the mean of its divisors is an integer number (1770415818).

Almost surely, 2^5311247451 is an apocalyptic number.

5311247451 is a deficient number, since it is larger than the sum of its proper divisors (1770415821).

5311247451 is a wasteful number, since it uses less digits than its factorization.

5311247451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770415820.

The product of its digits is 16800, while the sum is 33.

The square root of 5311247451 is about 72878.3057637868. The cubic root of 5311247451 is about 1744.7458683070.

Adding to 5311247451 its reverse (1547421135), we get a palindrome (6858668586).

The spelling of 5311247451 in words is "five billion, three hundred eleven million, two hundred forty-seven thousand, four hundred fifty-one".